S A IN D-W i C H T E ïîvIM;
Steraa - csriiiaoü,'
t,i>" British isles only
as tbs cw&t lïS Kem.
ifference of plumage, both being remarkable for-« frfyMHf head in
mn, and wl^lly white, «r nearly so,, h) winter. The ,young, otr the
^èfÜQWÙig, fâçhihitiijg u n ’^ « p p e r fà 'tà ijm .
he tip ; the upper part
1 thé restôf't&é ùpper s
tige | h -,.
^ n s f » hkcfe bmk 1 $
she
i*ppér del«i!$é
Î i|| $ £ §
thîS '
îtmà, thé
trai».',Wé geuiihmar
ibeàtottledli^eiy.
■II
il II il